Trivia: The voice of Jake Gyllenhaal's father is Scott Bakula, who starred in Quantum Leap, which shares the premise of being in another person's body with this movie.
Trivia: Derek Frost has 2 totally different driver's licenses. All personal data is different.
Chosen answer: Trains that shuttle back and forth on shorter stretches don't usually turn around at the terminus. They simply go "backwards". So, in one direction the loco is in the front, on the way back it's at the end of the train.
Ioreth